1. 7 * 1 1.12 52 * (48-47) (62 + 24) * 1 83 * 1 1 * 27 28 : 4 * 1 1 * 8 * 3

1) 7 * 1 = 7

2) 1 * 12 = 12

3) 52 * (48 - 47) = 52 * 1 = 52

4) (62 + 24) * 1 = 86 * 1 = 86

5) 83 * 1 = 83

6) 1 * 27 = 27

7) 28 : 4 * 1 = 7 * 1 = 7

8) 1 * 8 * 3 = 8 * 3 = 24